<template>
  <header class="header">
    <h1>todos</h1>
    <input v-model="isAll" id="toggle-all" class="toggle-all" type="checkbox" />
    <label for="toggle-all"></label>
    <input
      v-model.trim="content"
      @keyup.enter="add"
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
    />
  </header>
</template>

<script>
export default {
  props: ["list"],
  data() {
    return {
      content: "",
    };
  },
  computed: {
    isAll: {
      set(val) {
        this.list.forEach((item) => (item.isDone = val));
      },
      get() {
        return this.list.every((item) => item.isDone);
      },
    },
  },
  methods: {
    add() {
      if (this.content.length === 0) return;

      this.$emit("addFn", this.content);

      this.content = "";
    },
  },
};
</script>
